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Label printing: differance between Letterpres and flexo

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  • Label printing: differance between Letterpres and flexo

    Hi All,

    I must buy a machine to produce labels but we are offset litho company and don't know much about technologies and I am confused.

    Can anyone let me know the difference between flexo and letterpress machines and which direction should I go?

    Thanks to all in advance,

  • #2
    Originally posted by Visar View Post
    Hi All,

    I must buy a machine to produce labels but we are offset litho company and don't know much about technologies and I am confused.

    Can anyone let me know the difference between flexo and letterpress machines and which direction should I go?

    Thanks to all in advance,
    I attended LabelExpo in Brussels - I don’t think there were any letterpress machines. Start with google to narrow down your question.

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    • #3
      Originally posted by gordo View Post

      I attended LabelExpo in Brussels - I don’t think there were any letterpress machines. Start with google to narrow down your question.
      In general, flexo uses an anilox roller to ink the raised plate surface. Letterpress uses a similar roller train as offset to ink the raised plate. The raised plate can ink the substrate directly or ink a blanket first. Not sure if the raised plate inking of the blanket is still called letterpress. Maybe letterpress offset? :-)

      As Gordon states, the industry does not tend to use letterpress designed presses that often. Although the letterpress concept is used for printing containers in the Dry Offset printing process.

      The anilox ink feed is certainly simple but I also think that for flexo, a modern version of the letterpress inking system would be an interesting approach. It could use higher viscosity inks and it could have more colour stability than with the use of anilox roller feeds but the industry I think would not be happy with going in that direction since it seems like a backward step.
      Last edited by Erik Nikkanen; 10-12-2017, 10:55 AM.

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      • #4
        Gentlemen,


        Enlightenment regarding Flexographic Printing Process .................... PDFs for Erik to "Scorn" at again !!!!!!!!


        Flexa doc # 1 Outer 009.pdf


        Guide to Flexo Inner and Outer Pgs010.pdf



        Regards Alois

        Comment


        • #5
          Originally posted by Alois Senefelder View Post
          Gentlemen,


          Enlightenment regarding Flexographic Printing Process .................... PDFs for Erik to "Scorn" at again !!!!!!!!


          [ATTACH]n269670[/ATTACH]


          [ATTACH]n269671[/ATTACH]



          Regards Alois
          Why are you always trying to pick on me? Anyhow, it would be nice to read these PDFs but it is a bit hard when they come rotated 90 degrees. :-)

          I am sure they describe the process well. I do have some experience with flexo in the production of packaging material at Tetra Pak.

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          • #6
            A well established company for Rotary letterpress label printing. What you buy will depend on your budget. Do you want UV capability? This will add quite a bit more to the price but gives you much more options for your labels

            http://www.sanjokikai.co.jp/en/product/label/

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            • #7
              Thank you all

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